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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	76	our $NEXT_TICK;
50	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
51		82
52	our %CFG;	83	our %CFG;
53		84
54	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	86	our $RUNTIME;
56		87
57	our %PLAYER; # all users	88	our %PLAYER; # all users
58	our %MAP; # all maps	89	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		91
65	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
68	binmode STDOUT;	99	binmode STDOUT;
69	binmode STDERR;	100	binmode STDERR;
70		101
71	# read virtual server time, if available	102	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
76	}	107	}
77		108
78	mkdir cf::localdir;	109	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		111
84	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
85		115
86	#############################################################################	116	#############################################################################
87		117
88	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
89		119
…		…
96	=item $cf::RUNTIME	126	=item $cf::RUNTIME
97		127
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	129	every server tick.
100		130
101	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		134
103	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
105		139
106	=item $cf::NOW	140	=item $cf::NOW
107		141
108	The time of the last (current) server tick.	142	The time of the last (current) server tick.
109		143
110	=item $cf::TICK	144	=item $cf::TICK
111		145
112	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
113		157
114	=item %cf::CFG	158	=item %cf::CFG
115		159
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	161	from wherever your confdir points to.
118		162
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		164
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.
125		168
126	=back	169	=back
127		170
128	=cut	171	=cut
129		172
130	BEGIN {	173	BEGIN {
131	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	175	my $msg = join "", @_;
133	utf8::encode $msg;
134		176
135	$msg .= "\n"	177	$msg .= "\n"
136	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
137		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
138	LOG llevError, $msg;	183	LOG llevError, $msg;
139	};	184	};
140	}	185	}
141		186
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		194
149	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	196	# within the Safe compartment.
151	for my $pkg (qw(	197	for my $pkg (qw(
152	cf::global cf::attachable	198	cf::global cf::attachable
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	235	$d
190	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
191	}	237	}
192		238
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		240
195	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
196		242
197	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
198		244
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
207		246
208	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		248
217	=item cf::lock_wait $string	249	=item cf::lock_wait $string
218		250
219	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
220		252
…		…
226	returned.	258	returned.
227		259
228	Lock names should begin with a unique identifier (for example, cf::map::find	260	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
230		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
231	=cut	267	=cut
232		268
233	our %LOCK;	269	our %LOCK;
234		270
235	sub lock_wait($) {	271	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
256	}	292	}
257	}	293	}
258		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
259	sub freeze_mainloop {	301	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
261		303
262	my $guard = Coro::guard { $TICK_WATCHER->start };	304	my $guard = Coro::guard {
		305	$TICK_WATCHER->start;
		306	};
263	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
264	$guard	308	$guard
265	}	309	}
266		310
267	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
289		333
290	sub sync_job(&) {	334	sub sync_job(&) {
291	my ($job) = @_;	335	my ($job) = @_;
292		336
293	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
294	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
296		342
297	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
309		355
310	while ($busy) {	356	while ($busy) {
311	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
312	}	358	}
313		359
		360	$time = Event::time - $time;
		361
		362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		364
		365	$tick_start += $time; # do not account sync jobs to server load
		366
314	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
315	} else {	368	} else {
316	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
317		370
318	$job->()	371	$job->()
…		…
338		391
339	$coro	392	$coro
340	}	393	}
341		394
342	sub write_runtime {	395	sub write_runtime {
343	return unless $TICK_WATCHER->is_active;	396	my $runtime = "$LOCALDIR/runtime";
344		397
345	my $runtime = cf::localdir . "/runtime";	398	# first touch the runtime file to show we are still running:
		399	# the fsync below can take a very very long time.
		400
		401	IO::AIO::aio_utime $runtime, undef, undef;
		402
		403	my $guard = cf::lock_acquire "write_runtime";
346		404
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
348	or return;	406	or return;
349		407
		408	my $value = $cf::RUNTIME + 90 + 10;
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	409	# 10 is the runtime save interval, for a monotonic clock
		410	# 60 allows for the watchdog to kill the server.
		411
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
352	and return;	413	and return;
353		414
		415	# always fsync - this file is important
354	aio_fsync $fh	416	aio_fsync $fh
355	and return;	417	and return;
356		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
357	close $fh	422	close $fh
358	or return;	423	or return;
359		424
360	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
361	and return;	426	and return;
362		427
		428	warn "runtime file written.\n";
		429
363	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	442	}
365		443
366	=back	444	=back
367		445
368	=cut	446	=cut
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	577	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	578	our @CB_MAP = ();
501		579
502	my %attachment;	580	my %attachment;
503		581
		582	sub cf::attachable::thawer_merge {
		583	# simply override everything except _meta
		584	local $_[0]{_meta};
		585	%{$_[0]} = %{$_[1]};
		586	}
		587
504	sub _attach_cb($$$$) {	588	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	589	my ($registry, $event, $prio, $cb) = @_;
506		590
507	use sort 'stable';	591	use sort 'stable';
508		592
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
543		627
544	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		632
549	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	634	my $pkg = shift @arg;
551		635
552	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
593	if (ref $_[0]) {	677	if (ref $_[0]) {
594	_object_attach @_;	678	_object_attach @_;
595	} else {	679	} else {
596	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
597	}	681	}
		682	_recalc_want;
598	};	683	};
599		684
600	# all those should be optimised	685	# all those should be optimised
601	sub cf::attachable::detach {	686	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
606	reattach ($obj);	691	reattach ($obj);
607	} else {	692	} else {
608	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
609	}	694	}
		695	_recalc_want;
610	};	696	};
611		697
612	sub cf::attachable::attached {	698	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
614		700
…		…
679	# object support	765	# object support
680		766
681	sub reattach {	767	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	768	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	769	my ($obj) = @_;
		770
		771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		772
685	my $registry = $obj->registry;	773	my $registry = $obj->registry;
686		774
687	@$registry = ();	775	@$registry = ();
688		776
…		…
735	$filename, length $$rdata, scalar @$objs;	823	$filename, length $$rdata, scalar @$objs;
736		824
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	826	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	828	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	829	close $fh;
742		830
743	if (@$objs) {	831	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	833	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	834	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	835	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	836	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	837	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	838	aio_rename "$filename.pst~", "$filename.pst";
751	}	839	}
752	} else {	840	} else {
753	aio_unlink "$filename.pst";	841	aio_unlink "$filename.pst";
…		…
785	or return;	873	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
787	}	875	}
788		876
789	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
791	return ($data, $av);	879	return ($data, $av);
792	}	880	}
793		881
794	#############################################################################	882	#############################################################################
795	# command handling &c	883	# command handling &c
…		…
900	} or warn "$ext not loaded: $@";	988	} or warn "$ext not loaded: $@";
901	}	989	}
902	}	990	}
903		991
904	#############################################################################	992	#############################################################################
905	# load/save/clean perl data associated with a map
906
907	*cf::mapsupport::on_clean = sub {
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		993
920	=head2 CORE EXTENSIONS	994	=head2 CORE EXTENSIONS
921		995
922	Functions and methods that extend core crossfire objects.	996	Functions and methods that extend core crossfire objects.
923		997
…		…
936	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
937		1011
938	=cut	1012	=cut
939		1013
940	sub playerdir($) {	1014	sub playerdir($) {
941	cf::localdir	1015	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1017	}
947		1018
948	sub path($) {	1019	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1021
951	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
952	}	1023	}
953		1024
954	sub find_active($) {	1025	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
959		1030
960	sub exists($) {	1031	sub exists($) {
961	my ($login) = @_;	1032	my ($login) = @_;
962		1033
963	$cf::PLAYER{$login}	1034	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1035	or cf::sync_job { !aio_stat path $login }
965	}	1036	}
966		1037
967	sub find($) {	1038	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1039	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1040	my $login = $_[0];
970		1041
971	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
972		1043
973	$cf::PLAYER{$_[0]} || do {	1044	$cf::PLAYER{$_[0]} || do {
		1045	# rename old playerfiles to new ones
		1046	#TODO: remove when no longer required
		1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1050	aio_unlink +(playerdir $login) . "/$login.pl";
		1051
974	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
975	or return;	1053	or return;
976	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
977	}	1055	}
978	}	1056	}
…		…
1015		1093
1016	=cut	1094	=cut
1017		1095
1018	sub quit_character {	1096	sub quit_character {
1019	my ($pl) = @_;	1097	my ($pl) = @_;
		1098
		1099	my $name = $pl->ob->name;
1020		1100
1021	$pl->{deny_save} = 1;	1101	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1102	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1103
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1109	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1110	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1111	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1112	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1113	$pl->destroy;
		1114
		1115	my $prefix = qr<^~\Q$name\E/>;
		1116
		1117	# nuke player maps
		1118	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1119
1034	IO::AIO::aio_rmtree $temp;	1120	IO::AIO::aio_rmtree $temp;
		1121	}
		1122
		1123	=item $pl->kick
		1124
		1125	Kicks a player out of the game. This destroys the connection.
		1126
		1127	=cut
		1128
		1129	sub kick {
		1130	my ($pl, $kicker) = @_;
		1131
		1132	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1133	$pl->killer ("kicked");
		1134	$pl->ns->destroy;
1035	}	1135	}
1036		1136
1037	=item cf::player::list_logins	1137	=item cf::player::list_logins
1038		1138
1039	Returns am arrayref of all valid playernames in the system, can take a	1139	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1041		1141
1042	=cut	1142	=cut
1043		1143
1044	sub list_logins {	1144	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1146	or return [];
1047		1147
1048	my @logins;	1148	my @logins;
1049		1149
1050	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1067	=cut	1167	=cut
1068		1168
1069	sub maps($) {	1169	sub maps($) {
1070	my ($pl) = @_;	1170	my ($pl) = @_;
1071		1171
		1172	$pl = ref $pl ? $pl->ob->name : $pl;
		1173
1072	my $files = aio_readdir playerdir $pl	1174	my $files = aio_readdir playerdir $pl
1073	or return;	1175	or return;
1074		1176
1075	my @paths;	1177	my @paths;
1076		1178
1077	for (@$files) {	1179	for (@$files) {
1078	utf8::decode $_;	1180	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1181	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1182	next unless /^$PATH_SEP/o;
1081		1183
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1184	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1185	}
1084		1186
1085	\@paths	1187	\@paths
1086	}	1188	}
1087		1189
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1089		1191
1090	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1091		1193
1092	=cut	1194	=cut
1093		1195
1094	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1095	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1096		1198
1097	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1098		1200
1099	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1100	}	1202	}
1101		1203
1102	package cf;	1204	=item $player->ext_event ($type, %msg)
		1205
		1206	Sends an ext event to the client.
		1207
		1208	=cut
		1209
		1210	sub ext_event($$%) {
		1211	my ($self, $type, %msg) = @_;
		1212
		1213	$self->ns->ext_event ($type, %msg);
		1214	}
		1215
		1216	=head3 cf::region
		1217
		1218	=over 4
		1219
		1220	=cut
		1221
		1222	package cf::region;
		1223
		1224	=item cf::region::find_by_path $path
		1225
		1226	Tries to decuce the probable region for a map knowing only its path.
		1227
		1228	=cut
		1229
		1230	sub find_by_path($) {
		1231	my ($path) = @_;
		1232
		1233	my ($match, $specificity);
		1234
		1235	for my $region (list) {
		1236	if ($region->match && $path =~ $region->match) {
		1237	($match, $specificity) = ($region, $region->specificity)
		1238	if $region->specificity > $specificity;
		1239	}
		1240	}
		1241
		1242	$match
		1243	}
1103		1244
1104	=back	1245	=back
1105
1106		1246
1107	=head3 cf::map	1247	=head3 cf::map
1108		1248
1109	=over 4	1249	=over 4
1110		1250
…		…
1114		1254
1115	use Fcntl;	1255	use Fcntl;
1116	use Coro::AIO;	1256	use Coro::AIO;
1117		1257
1118	use overload	1258	use overload
1119	'""' => \&as_string;	1259	'""' => \&as_string,
		1260	fallback => 1;
1120		1261
1121	our $MAX_RESET = 3600;	1262	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1263	our $DEFAULT_RESET = 3000;
1123		1264
1124	sub generate_random_map {	1265	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1266	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1267	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1268	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1280	)
1141	}	1281	}
1142		1282
		1283	=item cf::map->register ($regex, $prio)
		1284
		1285	Register a handler for the map path matching the given regex at the
		1286	givne priority (higher is better, built-in handlers have priority 0, the
		1287	default).
		1288
		1289	=cut
		1290
1143	sub register {	1291	sub register {
1144	my (undef, $regex) = @_;	1292	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1293	my $pkg = caller;
1146		1294
1147	no strict;	1295	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1296	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1297
1150	$EXT_MAP{$pkg} = qr<$regex>;	1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1299	}
1152		1300
1153	# also paths starting with '/'	1301	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1303
		1304	sub thawer_merge {
		1305	my ($self, $merge) = @_;
		1306
		1307	# we have to keep some variables in memory intact
		1308	local $self->{path};
		1309	local $self->{load_path};
		1310
		1311	$self->SUPER::thawer_merge ($merge);
		1312	}
1155		1313
1156	sub normalise {	1314	sub normalise {
1157	my ($path, $base) = @_;	1315	my ($path, $base) = @_;
		1316
		1317	$path = "$path"; # make sure its a string
		1318
		1319	$path =~ s/\.map$//;
1158		1320
1159	# map plan:	1321	# map plan:
1160	#	1322	#
1161	# /! non-realised random map exit (special hack!)	1323	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1324	# {... are special paths that are not being touched
…		…
1190		1352
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1353	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1354
1193	$path = normalise $path, $base;	1355	$path = normalise $path, $base;
1194		1356
1195	for my $pkg (keys %EXT_MAP) {	1357	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1358	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1359	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1360	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1361	$self->init; # pass $1 etc.
1200	return $self;	1362	return $self;
1201	}	1363	}
1202	}	1364	}
1203		1365
1204	Carp::carp "unable to resolve path '$path'.";	1366	Carp::carp "unable to resolve path '$path' (base '$base').";
1205	()	1367	()
1206	}	1368	}
1207		1369
1208	sub init {	1370	sub init {
1209	my ($self) = @_;	1371	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1382	# the displayed name, this is a one way mapping
1221	sub visible_name {	1383	sub visible_name {
1222	&as_string	1384	&as_string
1223	}	1385	}
1224		1386
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1387	# the original (read-only) location
1233	sub load_path {	1388	sub load_path {
1234	my ($self) = @_;	1389	my ($self) = @_;
1235		1390
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1391	"$MAPDIR/$self->{path}.map"
1237	}	1392	}
1238		1393
1239	# the temporary/swap location	1394	# the temporary/swap location
1240	sub save_path {	1395	sub save_path {
1241	my ($self) = @_;	1396	my ($self) = @_;
1242		1397
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1399	"$TMPDIR/$path.map"
1244	}	1400	}
1245		1401
1246	# the unique path, undef == no special unique path	1402	# the unique path, undef == no special unique path
1247	sub uniq_path {	1403	sub uniq_path {
1248	my ($self) = @_;	1404	my ($self) = @_;
1249		1405
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1407	"$UNIQUEDIR/$path"
1251	}	1408	}
1252		1409
1253	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1254	# all maps in C++...	1411	# all maps in C++...
1255	sub change_all_map_light {	1412	sub change_all_map_light {
…		…
1257		1414
1258	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1416	for grep $_->outdoor, values %cf::MAP;
1260	}	1417	}
1261		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
		1425	}
		1426
1262	sub unlink_save {	1427	sub unlink_save {
1263	my ($self) = @_;	1428	my ($self) = @_;
1264		1429
1265	utf8::encode (my $save = $self->save_path);	1430	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1431	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1432	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1433	}
1269		1434
1270	sub load_header_from($) {	1435	sub load_header_from($) {
1271	my ($self, $path) = @_;	1436	my ($self, $path) = @_;
1272		1437
1273	utf8::encode $path;	1438	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1439	#aio_open $path, O_RDONLY, 0
1275	or return;	1440	# or return;
1276		1441
1277	$self->_load_header ($path)	1442	$self->_load_header ($path)
1278	or return;	1443	or return;
1279		1444
1280	$self->{load_path} = $path;	1445	$self->{load_path} = $path;
1281		1446
1282	1	1447	1
1283	}	1448	}
1284		1449
1285	sub load_orig {	1450	sub load_header_orig {
1286	my ($self) = @_;	1451	my ($self) = @_;
1287		1452
1288	$self->load_header_from ($self->load_path)	1453	$self->load_header_from ($self->load_path)
1289	}	1454	}
1290		1455
1291	sub load_temp {	1456	sub load_header_temp {
1292	my ($self) = @_;	1457	my ($self) = @_;
1293		1458
1294	$self->load_header_from ($self->save_path)	1459	$self->load_header_from ($self->save_path)
		1460	}
		1461
		1462	sub prepare_temp {
		1463	my ($self) = @_;
		1464
		1465	$self->last_access ((delete $self->{last_access})
		1466	|| $cf::RUNTIME); #d#
		1467	# safety
		1468	$self->{instantiate_time} = $cf::RUNTIME
		1469	if $self->{instantiate_time} > $cf::RUNTIME;
		1470	}
		1471
		1472	sub prepare_orig {
		1473	my ($self) = @_;
		1474
		1475	$self->{load_original} = 1;
		1476	$self->{instantiate_time} = $cf::RUNTIME;
		1477	$self->last_access ($cf::RUNTIME);
		1478	$self->instantiate;
1295	}	1479	}
1296		1480
1297	sub load_header {	1481	sub load_header {
1298	my ($self) = @_;	1482	my ($self) = @_;
1299		1483
1300	if ($self->load_temp) {	1484	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1485	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1486	} else {
1307	$self->load_orig	1487	$self->load_header_orig
1308	or return;	1488	or return;
1309		1489	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1490	}
		1491
		1492	$self->{deny_reset} = 1
		1493	if $self->no_reset;
		1494
		1495	$self->default_region (cf::region::find_by_path $self->{path})
		1496	unless $self->default_region;
1315		1497
1316	1	1498	1
1317	}	1499	}
1318		1500
1319	sub find;	1501	sub find;
…		…
1332	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1333		1515
1334	$map->load_header	1516	$map->load_header
1335	or return;	1517	or return;
1336		1518
1337	if ($map->should_reset) {	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1520	# doing this can freeze the server in a sync job, obviously
		1521	#$cf::WAIT_FOR_TICK->wait;
1338	$map->reset;	1522	$map->reset;
1339	undef $guard;	1523	undef $guard;
1340	$map = find $path	1524	return find $path;
1341	or return;
1342	}	1525	}
1343		1526
1344	$cf::MAP{$path} = $map	1527	$cf::MAP{$path} = $map
1345	}	1528	}
1346	}	1529	}
		1530
		1531	sub pre_load { }
		1532	sub post_load { }
1347		1533
1348	sub load {	1534	sub load {
1349	my ($self) = @_;	1535	my ($self) = @_;
1350		1536
		1537	local $self->{deny_reset} = 1; # loading can take a long time
		1538
1351	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1352	my $guard = cf::lock_acquire "map_load:$path";	1542	my $guard = cf::lock_acquire "map_load:$path";
1353		1543
1354	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1355		1545
1356	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1357		1547
1358	$self->alloc;	1548	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)
1360	or return;
1361		1549
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1550	$self->pre_load;
1363	if delete $self->{load_original};
1364
1365	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {
1368	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);
1370	}
1371	}
1372
1373	Coro::cede;
1374
1375	# now do the right thing for maps
1376	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;	1551	Coro::cede;
1383	$self->set_darkness_map;	1552
		1553	$self->_load_objects ($self->{load_path}, 1)
		1554	or return;
		1555
		1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1557	if delete $self->{load_original};
		1558
		1559	if (my $uniq = $self->uniq_path) {
		1560	utf8::encode $uniq;
		1561	if (aio_open $uniq, O_RDONLY, 0) {
		1562	$self->clear_unique_items;
		1563	$self->_load_objects ($uniq, 0);
		1564	}
		1565	}
		1566
		1567	Coro::cede;
		1568	# now do the right thing for maps
		1569	$self->link_multipart_objects;
1384	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1571	unless $self->difficulty;
1386	Coro::cede;	1572	Coro::cede;
		1573
		1574	unless ($self->{deny_activate}) {
		1575	$self->decay_objects;
		1576	$self->fix_auto_apply;
		1577	$self->update_buttons;
		1578	Coro::cede;
		1579	$self->set_darkness_map;
		1580	Coro::cede;
1387	$self->activate;	1581	$self->activate;
1388	}	1582	}
1389		1583
1390	$self->in_memory (cf::MAP_IN_MEMORY);	1584	$self->in_memory (cf::MAP_IN_MEMORY);
		1585	}
		1586
		1587	$self->post_load;
1391	}	1588	}
1392		1589
1393	sub customise_for {	1590	sub customise_for {
1394	my ($self, $ob) = @_;	1591	my ($self, $ob) = @_;
1395		1592
1396	return find "~" . $ob->name . "/" . $self->{path}	1593	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
1398		1598
1399	$self	1599	$self
1400	}	1600	}
1401		1601
1402	# find and load all maps in the 3x3 area around a map	1602	# find and load all maps in the 3x3 area around a map
…		…
1434		1634
1435	cf::sync_job { $map->load };	1635	cf::sync_job { $map->load };
1436	}	1636	}
1437		1637
1438	our %MAP_PREFETCH;	1638	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	1639	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		1640
1452	sub find_async {	1641	sub find_async {
1453	my ($path, $origin) = @_;	1642	my ($path, $origin) = @_;
1454		1643
1455	$path = normalise $path, $origin && $origin->{path};	1644	$path = normalise $path, $origin && $origin->{path};
1456		1645
1457	if (my $map = $cf::MAP{$path}) {	1646	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1459	}	1648	}
1460		1649
1461	$MAP_PREFETCH{$path} = 0;	1650	undef $MAP_PREFETCH{$path};
		1651	$MAP_PREFETCHER ||= cf::async {
		1652	while (%MAP_PREFETCH) {
		1653	for my $path (keys %MAP_PREFETCH) {
		1654	my $map = find $path
		1655	or next;
		1656	$map->load;
		1657
		1658	delete $MAP_PREFETCH{$path};
		1659	}
		1660	}
		1661	undef $MAP_PREFETCHER;
		1662	};
1462	$MAP_PREFETCHER->ready;	1663	$MAP_PREFETCHER->prio (6);
1463		1664
1464	()	1665	()
1465	}	1666	}
1466		1667
1467	sub save {	1668	sub save {
…		…
1512		1713
1513	sub reset_at {	1714	sub reset_at {
1514	my ($self) = @_;	1715	my ($self) = @_;
1515		1716
1516	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1519		1719
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1721	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		1722
…		…
1527	my ($self) = @_;	1727	my ($self) = @_;
1528		1728
1529	$self->reset_at <= $cf::RUNTIME	1729	$self->reset_at <= $cf::RUNTIME
1530	}	1730	}
1531		1731
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	1732	sub reset {
1547	my ($self) = @_;	1733	my ($self) = @_;
1548		1734
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		1736
1551	return if $self->players;	1737	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		1738
1554	warn "resetting map ", $self->path;#d#	1739	warn "resetting map ", $self->path;
		1740
		1741	$self->in_memory (cf::MAP_SWAPPED);
		1742
		1743	# need to save uniques path
		1744	unless ($self->{deny_save}) {
		1745	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1746
		1747	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1748	if $uniq;
		1749	}
1555		1750
1556	delete $cf::MAP{$self->path};	1751	delete $cf::MAP{$self->path};
		1752
		1753	$self->clear;
1557		1754
1558	$_->clear_links_to ($self) for values %cf::MAP;	1755	$_->clear_links_to ($self) for values %cf::MAP;
1559		1756
1560	$self->unlink_save;	1757	$self->unlink_save;
1561	$self->destroy;	1758	$self->destroy;
…		…
1564	my $nuke_counter = "aaaa";	1761	my $nuke_counter = "aaaa";
1565		1762
1566	sub nuke {	1763	sub nuke {
1567	my ($self) = @_;	1764	my ($self) = @_;
1568		1765
		1766	delete $cf::MAP{$self->path};
		1767
		1768	$self->unlink_save;
		1769
		1770	bless $self, "cf::map";
		1771	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	1772	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	1773	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1775
		1776	$cf::MAP{$self->path} = $self;
		1777
1572	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
		1779	}
		1780
		1781	=item $maps = cf::map::tmp_maps
		1782
		1783	Returns an arrayref with all map paths of currently instantiated and saved
		1784	maps.
		1785
		1786	=cut
		1787
		1788	sub tmp_maps() {
		1789	[
		1790	map {
		1791	utf8::decode $_;
		1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o
		1793	? normalise $_
		1794	: ()
		1795	} @{ aio_readdir $TMPDIR or [] }
		1796	]
1573	}	1797	}
1574		1798
1575	=item cf::map::unique_maps	1799	=item cf::map::unique_maps
1576		1800
1577	Returns an arrayref of paths of all shared maps that have	1801	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	1802	instantiated unique items. May block.
1579		1803
1580	=cut	1804	=cut
1581		1805
1582	sub unique_maps() {	1806	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1807	[
1584	or return;	1808	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	1809	utf8::decode $_;
1590	next if /\.pst$/;	1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o
1591	next unless /^$PATH_SEP/o;	1811	? normalise $_
1592		1812	: ()
1593	push @paths, $_;	1813	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	1814	]
1595
1596	\@paths
1597	}	1815	}
1598		1816
1599	package cf;	1817	package cf;
1600		1818
1601	=back	1819	=back
…		…
1692	=cut	1910	=cut
1693		1911
1694	sub link_map {	1912	sub link_map {
1695	unless ($LINK_MAP) {	1913	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	1914	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1915	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	1916	$LINK_MAP->load;
1699	}	1917	}
1700		1918
1701	$LINK_MAP	1919	$LINK_MAP
1702	}	1920	}
…		…
1707	$self->deactivate_recursive;	1925	$self->deactivate_recursive;
1708		1926
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	1927	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1928
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1929	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1930	if $self->map && $self->map->{path} ne "{link}";
1713		1931
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1932	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1933	}
1716		1934
1717	sub cf::object::player::leave_link {	1935	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1936	my ($self, $map, $x, $y) = @_;
		1937
		1938	return unless $self->contr->active;
1719		1939
1720	my $link_pos = delete $self->{_link_pos};	1940	my $link_pos = delete $self->{_link_pos};
1721		1941
1722	unless ($map) {	1942	unless ($map) {
1723	# restore original map position	1943	# restore original map position
…		…
1741	$map->load;	1961	$map->load;
1742	$map->load_diag;	1962	$map->load_diag;
1743		1963
1744	return unless $self->contr->active;	1964	return unless $self->contr->active;
1745	$self->activate_recursive;	1965	$self->activate_recursive;
		1966
		1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	1968	$self->enter_map ($map, $x, $y);
1747	}	1969	}
1748		1970
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($pl) = @_;
1752
1753	# abort map switching before logout
1754	if ($pl->ob->{_link_pos}) {
1755	cf::sync_job {
1756	$pl->ob->leave_link
1757	};
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)	1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1782		1972
		1973	Moves the player to the given map-path and coordinates by first freezing
		1974	her, loading and preparing them map, calling the provided $check callback
		1975	that has to return the map if sucecssful, and then unfreezes the player on
		1976	the new (success) or old (failed) map position.
		1977
1783	=cut	1978	=cut
		1979
		1980	our $GOTOGEN;
1784		1981
1785	sub cf::object::player::goto {	1982	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	1983	my ($self, $path, $x, $y, $check) = @_;
		1984
		1985	# do generation counting so two concurrent goto's will be executed in-order
		1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		1987
1788	$self->enter_link;	1988	$self->enter_link;
1789		1989
1790	(async {	1990	(async {
		1991	my $map = eval {
1791	my $map = cf::map::find $path;	1992	my $map = cf::map::find $path;
		1993
		1994	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	1995	$map = $map->customise_for ($self);
1793		1996	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	1997	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1999	}
1798		2000
		2001	$map
		2002	};
		2003
		2004	if ($@) {
		2005	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2006	LOG llevError | logBacktrace, Carp::longmess $@;
		2007	}
		2008
		2009	if ($gen == $self->{_goto_generation}) {
		2010	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2011	$self->leave_link ($map, $x, $y);
		2012	}
1800	})->prio (1);	2013	})->prio (1);
1801	}	2014	}
1802		2015
1803	=item $player_object->enter_exit ($exit_object)	2016	=item $player_object->enter_exit ($exit_object)
1804		2017
…		…
1806		2019
1807	sub parse_random_map_params {	2020	sub parse_random_map_params {
1808	my ($spec) = @_;	2021	my ($spec) = @_;
1809		2022
1810	my $rmp = { # defaults	2023	my $rmp = { # defaults
1811	xsize => 10,	2024	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2025	ysize => (cf::rndm 15, 40),
		2026	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2027	#layout => string,
1813	};	2028	};
1814		2029
1815	for (split /\n/, $spec) {	2030	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2031	my ($k, $v) = split /\s+/, $_, 2;
1817		2032
…		…
1821	$rmp	2036	$rmp
1822	}	2037	}
1823		2038
1824	sub prepare_random_map {	2039	sub prepare_random_map {
1825	my ($exit) = @_;	2040	my ($exit) = @_;
		2041
		2042	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2043
1827	# all this does is basically replace the /! path by	2044	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2045	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2046	# that depends on the exit object
1830		2047
1831	my $rmp = parse_random_map_params $exit->msg;	2048	my $rmp = parse_random_map_params $exit->msg;
1832		2049
1833	if ($exit->map) {	2050	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2051	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2052	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2053	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2054	$rmp->{origin_y} = $exit->y;
1838	}	2055	}
1839		2056
1840	$rmp->{random_seed} ||= $exit->random_seed;	2057	$rmp->{random_seed} ||= $exit->random_seed;
1841		2058
1842	my $data = cf::to_json $rmp;	2059	my $data = cf::to_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2060	my $md5 = Digest::MD5::md5_hex $data;
		2061	my $meta = "$RANDOMDIR/$md5.meta";
1844		2062
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2064	aio_write $fh, 0, (length $data), $data, 0;
		2065	undef $fh;
		2066	aio_rename "$meta~", $meta;
1847		2067
1848	$exit->slaying ("?random/$md5");	2068	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2069	$exit->msg (undef);
1850	}	2070	}
1851	}	2071	}
1852		2072
1853	sub cf::object::player::enter_exit {	2073	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2074	my ($self, $exit) = @_;
1855		2075
1856	return unless $self->type == cf::PLAYER;	2076	return unless $self->type == cf::PLAYER;
		2077
		2078	if ($exit->slaying eq "/!") {
		2079	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2080	# the problem is that $exit might not survive long enough
		2081	# so it needs to be done right now, right here
		2082	cf::sync_job { prepare_random_map $exit };
		2083	}
		2084
		2085	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2086	my $hp = $exit->stats->hp;
		2087	my $sp = $exit->stats->sp;
1857		2088
1858	$self->enter_link;	2089	$self->enter_link;
1859		2090
1860	(async {	2091	(async {
1861	$self->deactivate_recursive; # just to be sure	2092	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2093	unless (eval {
1863	prepare_random_map $exit	2094	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2095
1869	1;	2096	1;
1870	}) {	2097	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2098	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2099	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2100	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2101	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2102
1876	warn "ERROR in enter_exit: $@";	2103	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2104	$self->leave_link;
1878	}	2105	}
1879	})->prio (1);	2106	})->prio (1);
…		…
1892		2119
1893	sub cf::client::send_drawinfo {	2120	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2121	my ($self, $text, $flags) = @_;
1895		2122
1896	utf8::encode $text;	2123	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2125	}
1899		2126
		2127	=item $client->ext_event ($type, %msg)
		2128
		2129	Sends an exti event to the client.
		2130
		2131	=cut
		2132
		2133	sub cf::client::ext_event($$%) {
		2134	my ($self, $type, %msg) = @_;
		2135
		2136	$msg{msgtype} = "event_$type";
		2137	$self->send_packet ("ext " . cf::to_json \%msg);
		2138	}
1900		2139
1901	=item $success = $client->query ($flags, "text", \&cb)	2140	=item $success = $client->query ($flags, "text", \&cb)
1902		2141
1903	Queues a query to the client, calling the given callback with	2142	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1933	# get handled first	2172	# get handled first
1934	my $queue = delete $ns->{query_queue}	2173	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2174	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2175
1937	(shift @$queue)->[1]->($msg);	2176	(shift @$queue)->[1]->($msg);
		2177	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2178
1939	push @{ $ns->{query_queue} }, @$queue;	2179	push @{ $ns->{query_queue} }, @$queue;
1940		2180
1941	if (@{ $ns->{query_queue} } == @$queue) {	2181	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2182	if (@$queue) {
…		…
2000		2240
2001	# here we export the classes and methods available to script code	2241	# here we export the classes and methods available to script code
2002		2242
2003	=pod	2243	=pod
2004		2244
2005	The following fucntions and emthods are available within a safe environment:	2245	The following functions and methods are available within a safe environment:
2006		2246
2007	cf::object contr pay_amount pay_player map	2247	cf::object contr pay_amount pay_player map
2008	cf::object::player player	2248	cf::object::player player
2009	cf::player peaceful	2249	cf::player peaceful
2010	cf::map trigger	2250	cf::map trigger
…		…
2095	#############################################################################	2335	#############################################################################
2096		2336
2097	=head2 EXTENSION DATABASE SUPPORT	2337	=head2 EXTENSION DATABASE SUPPORT
2098		2338
2099	Crossfire maintains a very simple database for extension use. It can	2339	Crossfire maintains a very simple database for extension use. It can
2100	currently store anything that can be serialised using Storable, which	2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2101	excludes objects.	2341	convert to/from binary).
2102		2342
2103	The parameter C<$family> should best start with the name of the extension	2343	The parameter C<$family> should best start with the name of the extension
2104	using it, it should be unique.	2344	using it, it should be unique.
2105		2345
2106	=over 4	2346	=over 4
2107		2347
2108	=item $hashref = cf::db_get $family
2109
2110	Return a hashref for use by the extension C<$family>, which can be
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113
2114	=item $value = cf::db_get $family => $key	2348	=item $value = cf::db_get $family => $key
2115		2349
2116	Returns a single value from the database	2350	Returns a single value from the database.
2117
2118	=item cf::db_put $family => $hashref
2119
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122		2351
2123	=item cf::db_put $family => $key => $value	2352	=item cf::db_put $family => $key => $value
2124		2353
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you	2354	Stores the given C<$value> in the family.
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135		2355
2136	=cut	2356	=cut
2137		2357
2138	our $DB;	2358	our $DB;
2139		2359
2140	{	2360	sub db_init {
2141	my $path = cf::localdir . "/database.pst";	2361	unless ($DB) {
		2362	$DB = BDB::db_create $DB_ENV;
2142		2363
2143	sub db_load() {	2364	cf::sync_job {
2144	$DB = stat $path ? Storable::retrieve $path : { };	2365	eval {
2145	}	2366	$DB->set_flags (BDB::CHKSUM);
2146		2367
2147	my $pid;	2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2148		2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2149	sub db_save() {	2370	cf::cleanup "db_open(db): $!" if $!;
2150	waitpid $pid, 0 if $pid;	2371	};
2151	if (0 == ($pid = fork)) {	2372	cf::cleanup "db_open(db): $@" if $@;
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}	2373	};
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	2374	}
		2375	}
2169		2376
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}
2174
2175	sub db_get($;$) {	2377	sub db_get($$) {
2176	@_ >= 2	2378	my $key = "$_[0]/$_[1]";
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		2379
		2380	cf::sync_job {
		2381	BDB::db_get $DB, undef, $key, my $data;
		2382
		2383	$! ? ()
		2384	: $data
		2385	}
		2386	}
		2387
2181	sub db_put($$;$) {	2388	sub db_put($$$) {
2182	if (@_ >= 3) {	2389	BDB::dbreq_pri 4;
2183	$DB->{$_[0]}{$_[1]} = $_[2];	2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2184	} else {	2391	}
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		2392
2190	cf::global->attach (	2393	=item cf::cache $id => [$paths...], $processversion => $process
2191	prio => 10000,	2394
2192	on_cleanup => sub {	2395	Generic caching function that returns the value of the resource $id,
2193	db_sync;	2396	caching and regenerating as required.
		2397
		2398	This function can block.
		2399
		2400	=cut
		2401
		2402	sub cache {
		2403	my ($id, $src, $processversion, $process) = @_;
		2404
		2405	my $meta =
		2406	join "\x00",
		2407	$processversion,
		2408	map {
		2409	aio_stat $_
		2410	and Carp::croak "$_: $!";
		2411
		2412	($_, (stat _)[7,9])
		2413	} @$src;
		2414
		2415	my $dbmeta = db_get cache => "$id/meta";
		2416	if ($dbmeta ne $meta) {
		2417	# changed, we may need to process
		2418
		2419	my @data;
		2420	my $md5;
		2421
		2422	for (0 .. $#$src) {
		2423	0 <= aio_load $src->[$_], $data[$_]
		2424	or Carp::croak "$src->[$_]: $!";
2194	},	2425	}
2195	);	2426
		2427	# if processing is expensive, check
		2428	# checksum first
		2429	if (1) {
		2430	$md5 =
		2431	join "\x00",
		2432	$processversion,
		2433	map {
		2434	Coro::cede;
		2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2436	} 0.. $#$src;
		2437
		2438
		2439	my $dbmd5 = db_get cache => "$id/md5";
		2440	if ($dbmd5 eq $md5) {
		2441	db_put cache => "$id/meta", $meta;
		2442
		2443	return db_get cache => "$id/data";
		2444	}
		2445	}
		2446
		2447	my $t1 = Time::HiRes::time;
		2448	my $data = $process->(\@data);
		2449	my $t2 = Time::HiRes::time;
		2450
		2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2452
		2453	db_put cache => "$id/data", $data;
		2454	db_put cache => "$id/md5" , $md5;
		2455	db_put cache => "$id/meta", $meta;
		2456
		2457	return $data;
		2458	}
		2459
		2460	db_get cache => "$id/data"
		2461	}
		2462
		2463	=item fork_call { }, $args
		2464
		2465	Executes the given code block with the given arguments in a seperate
		2466	process, returning the results. Everything must be serialisable with
		2467	Coro::Storable. May, of course, block. Note that the executed sub may
		2468	never block itself or use any form of Event handling.
		2469
		2470	=cut
		2471
		2472	sub fork_call(&@) {
		2473	my ($cb, @args) = @_;
		2474
		2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2476	# or die "socketpair: $!";
		2477	pipe my $fh1, my $fh2
		2478	or die "pipe: $!";
		2479
		2480	if (my $pid = fork) {
		2481	close $fh2;
		2482
		2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2484	$res = Coro::Storable::thaw $res;
		2485
		2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2487
		2488	die $$res unless "ARRAY" eq ref $res;
		2489
		2490	return wantarray ? @$res : $res->[-1];
		2491	} else {
		2492	reset_signals;
		2493	local $SIG{__WARN__};
		2494	local $SIG{__DIE__};
		2495	eval {
		2496	close $fh1;
		2497
		2498	my @res = eval { $cb->(@args) };
		2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2500	};
		2501
		2502	warn $@ if $@;
		2503	_exit 0;
		2504	}
2196	}	2505	}
2197		2506
2198	#############################################################################	2507	#############################################################################
2199	# the server's main()	2508	# the server's init and main functions
		2509
		2510	sub load_facedata($) {
		2511	my ($path) = @_;
		2512
		2513	warn "loading facedata from $path\n";
		2514
		2515	my $facedata;
		2516	0 < aio_load $path, $facedata
		2517	or die "$path: $!";
		2518
		2519	$facedata = Coro::Storable::thaw $facedata;
		2520
		2521	$facedata->{version} == 2
		2522	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2523
		2524	{
		2525	my $faces = $facedata->{faceinfo};
		2526
		2527	while (my ($face, $info) = each %$faces) {
		2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2532	Coro::cede;
		2533	}
		2534
		2535	while (my ($face, $info) = each %$faces) {
		2536	next unless $info->{smooth};
		2537	my $idx = cf::face::find $face
		2538	or next;
		2539	if (my $smooth = cf::face::find $info->{smooth}) {
		2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2541	} else {
		2542	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2543	}
		2544	Coro::cede;
		2545	}
		2546	}
		2547
		2548	{
		2549	my $anims = $facedata->{animinfo};
		2550
		2551	while (my ($anim, $info) = each %$anims) {
		2552	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2553	Coro::cede;
		2554	}
		2555
		2556	cf::anim::invalidate_all; # d'oh
		2557	}
		2558
		2559	1
		2560	}
		2561
		2562	sub reload_regions {
		2563	load_resource_file "$MAPDIR/regions"
		2564	or die "unable to load regions file\n";
		2565	}
		2566
		2567	sub reload_facedata {
		2568	load_facedata "$DATADIR/facedata"
		2569	or die "unable to load facedata\n";
		2570	}
		2571
		2572	sub reload_archetypes {
		2573	load_resource_file "$DATADIR/archetypes"
		2574	or die "unable to load archetypes\n";
		2575	}
		2576
		2577	sub reload_treasures {
		2578	load_resource_file "$DATADIR/treasures"
		2579	or die "unable to load treasurelists\n";
		2580	}
		2581
		2582	sub reload_resources {
		2583	warn "reloading resource files...\n";
		2584
		2585	reload_regions;
		2586	reload_facedata;
		2587	#reload_archetypes;#d#
		2588	reload_archetypes;
		2589	reload_treasures;
		2590
		2591	warn "finished reloading resource files\n";
		2592	}
		2593
		2594	sub init {
		2595	reload_resources;
		2596	}
2200		2597
2201	sub cfg_load {	2598	sub cfg_load {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	2599	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	2600	or return;
2204		2601
2205	local $/;	2602	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	2603	*CFG = YAML::Syck::Load <$fh>;
2207		2604
…		…
2221		2618
2222	sub main {	2619	sub main {
2223	# we must not ever block the main coroutine	2620	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	2621	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2622	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2623	(async {
2226	async { Event::one_event };	2624	Event::one_event;
		2625	})->prio (Coro::PRIO_MAX);
2227	};	2626	};
2228		2627
2229	cfg_load;	2628	cfg_load;
2230	db_load;	2629	db_init;
2231	load_extensions;	2630	load_extensions;
		2631
		2632	$TICK_WATCHER->start;
2232	Event::loop;	2633	Event::loop;
2233	}	2634	}
2234		2635
2235	#############################################################################	2636	#############################################################################
2236	# initialisation and cleanup	2637	# initialisation and cleanup
2237		2638
2238	# install some emergency cleanup handlers	2639	# install some emergency cleanup handlers
2239	BEGIN {	2640	BEGIN {
2240	for my $signal (qw(INT HUP TERM)) {	2641	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	2642	Event->signal (
		2643	reentrant => 0,
2242	data => WF_AUTOCANCEL,	2644	data => WF_AUTOCANCEL,
2243	signal => $signal,	2645	signal => $signal,
		2646	prio => 0,
2244	cb => sub {	2647	cb => sub {
2245	cf::cleanup "SIG$signal";	2648	cf::cleanup "SIG$signal";
2246	},	2649	},
2247	);	2650	);
2248	}	2651	}
2249	}	2652	}
…		…
2254	warn "enter emergency perl save\n";	2657	warn "enter emergency perl save\n";
2255		2658
2256	cf::sync_job {	2659	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	2660	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	2661	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	2662	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	2663	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	2664	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	2665	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	2666	$pl->valid or next;
2264	$pl->save;	2667	$pl->save;
…		…
2270	my $map = $cf::MAP{$path} or next;	2673	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	2674	$map->valid or next;
2272	$map->save;	2675	$map->save;
2273	}	2676	}
2274	warn "end emergency map save\n";	2677	warn "end emergency map save\n";
		2678
		2679	warn "begin emergency database checkpoint\n";
		2680	BDB::db_env_txn_checkpoint $DB_ENV;
		2681	warn "end emergency database checkpoint\n";
2275	};	2682	};
2276		2683
2277	warn "leave emergency perl save\n";	2684	warn "leave emergency perl save\n";
2278	}	2685	}
2279		2686
		2687	sub post_cleanup {
		2688	my ($make_core) = @_;
		2689
		2690	warn Carp::longmess "post_cleanup backtrace"
		2691	if $make_core;
		2692	}
		2693
2280	sub reload() {	2694	sub do_reload_perl() {
2281	# can/must only be called in main	2695	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	2696	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	2697	warn "can only reload from main coroutine";
2284	return;	2698	return;
2285	}	2699	}
2286		2700
2287	warn "reloading...";	2701	warn "reloading...";
2288		2702
2289	warn "freezing server";	2703	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	2704
		2705	cf::sync_job {
		2706	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	2707	cf::emergency_save;
		2708	cf::write_runtime; # external watchdog should not bark
2292		2709
2293	warn "sync database to disk";	2710	warn "syncing database to disk";
2294	cf::db_sync;	2711	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		2712
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	2713	# if anything goes wrong in here, we should simply crash as we already saved
2299		2714
2300	warn "cancel all watchers";	2715	warn "cancelling all WF_AUTOCANCEL watchers";
2301	for (Event::all_watchers) {	2716	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}	2718	}
2304		2719
		2720	warn "flushing outstanding aio requests";
		2721	for (;;) {
		2722	BDB::flush;
		2723	IO::AIO::flush;
		2724	Coro::cede;
		2725	last unless IO::AIO::nreqs || BDB::nreqs;
		2726	warn "iterate...";
		2727	}
		2728
		2729	++$RELOAD;
		2730
2305	warn "cancel all extension coros";	2731	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	2732	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	2733	%EXT_CORO = ();
2308		2734
2309	warn "remove commands";	2735	warn "removing commands";
2310	%COMMAND = ();	2736	%COMMAND = ();
2311		2737
2312	warn "remove ext commands";	2738	warn "removing ext commands";
2313	%EXTCMD = ();	2739	%EXTCMD = ();
2314		2740
2315	warn "unload/nuke all extensions";	2741	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	2742	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	2743	warn "... unloading $pkg";
2318		2744
2319	if (my $cb = $pkg->can ("unload")) {	2745	if (my $cb = $pkg->can ("unload")) {
2320	eval {	2746	eval {
…		…
2325		2751
2326	warn "... nuking $pkg";	2752	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	2753	Symbol::delete_package $pkg;
2328	}	2754	}
2329		2755
2330	warn "unload all perl modules loaded from $LIBDIR";	2756	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	2757	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2758	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		2759
2334	warn "removing <$k>";	2760	warn "... unloading $k";
2335	delete $INC{$k};	2761	delete $INC{$k};
2336		2762
2337	$k =~ s/\.pm$//;	2763	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	2764	$k =~ s/\//::/g;
2339		2765
…		…
2342	}	2768	}
2343		2769
2344	Symbol::delete_package $k;	2770	Symbol::delete_package $k;
2345	}	2771	}
2346		2772
2347	warn "get rid of safe::, as good as possible";	2773	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	2774	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2775	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		2776
2351	warn "unload cf.pm \"a bit\"";	2777	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	2778	delete $INC{"cf.pm"};
		2779	delete $INC{"cf/pod.pm"};
2353		2780
2354	# don't, removes xs symbols, too,	2781	# don't, removes xs symbols, too,
2355	# and global variables created in xs	2782	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	2783	#Symbol::delete_package __PACKAGE__;
2357		2784
		2785	warn "unload completed, starting to reload now";
		2786
2358	warn "reloading cf.pm";	2787	warn "reloading cf.pm";
2359	require cf;	2788	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		2790
2362	warn "load config and database again";	2791	warn "loading config and database again";
2363	cf::cfg_load;	2792	cf::cfg_load;
2364	cf::db_load;
2365		2793
2366	warn "load extensions";	2794	warn "loading extensions";
2367	cf::load_extensions;	2795	cf::load_extensions;
2368		2796
2369	warn "reattach attachments to objects/players";	2797	warn "reattaching attachments to objects/players";
2370	_global_reattach;	2798	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	2799	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	2800	reattach $_ for values %MAP;
2373	};	2801	warn "reattaching attachments to players";
		2802	reattach $_ for values %PLAYER;
2374		2803
2375	if ($@) {	2804	warn "leaving sync_job";
		2805
		2806	1
		2807	} or do {
2376	warn $@;	2808	warn $@;
2377	warn "error while reloading, exiting.";	2809	warn "error while reloading, exiting.";
2378	exit 1;	2810	exit 1;
2379	}	2811	};
2380		2812
2381	warn "reloaded";	2813	warn "reloaded";
2382	};	2814	};
2383		2815
		2816	our $RELOAD_WATCHER; # used only during reload
		2817
		2818	sub reload_perl() {
		2819	# doing reload synchronously and two reloads happen back-to-back,
		2820	# coro crashes during coro_state_free->destroy here.
		2821
		2822	$RELOAD_WATCHER ||= Event->timer (
		2823	reentrant => 0,
		2824	after => 0,
		2825	data => WF_AUTOCANCEL,
		2826	cb => sub {
		2827	do_reload_perl;
		2828	undef $RELOAD_WATCHER;
		2829	},
		2830	);
		2831	}
		2832
2384	register_command "reload" => sub {	2833	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	2834	my ($who, $arg) = @_;
2386		2835
2387	if ($who->flag (FLAG_WIZ)) {	2836	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	2837	$who->message ("reloading server.");
		2838	async { reload_perl };
2391	}	2839	}
2392	};	2840	};
2393		2841
2394	unshift @INC, $LIBDIR;	2842	unshift @INC, $LIBDIR;
2395		2843
		2844	my $bug_warning = 0;
		2845
		2846	our @WAIT_FOR_TICK;
		2847	our @WAIT_FOR_TICK_BEGIN;
		2848
		2849	sub wait_for_tick {
		2850	return unless $TICK_WATCHER->is_active;
		2851	return if $Coro::current == $Coro::main;
		2852
		2853	my $signal = new Coro::Signal;
		2854	push @WAIT_FOR_TICK, $signal;
		2855	$signal->wait;
		2856	}
		2857
		2858	sub wait_for_tick_begin {
		2859	return unless $TICK_WATCHER->is_active;
		2860	return if $Coro::current == $Coro::main;
		2861
		2862	my $signal = new Coro::Signal;
		2863	push @WAIT_FOR_TICK_BEGIN, $signal;
		2864	$signal->wait;
		2865	}
		2866
		2867	my $min = 1e6;#d#
		2868	my $avg = 10;
2396	$TICK_WATCHER = Event->timer (	2869	$TICK_WATCHER = Event->timer (
2397	reentrant => 0,	2870	reentrant => 0,
		2871	parked => 1,
2398	prio => 0,	2872	prio => 0,
2399	at => $NEXT_TICK || $TICK,	2873	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,	2874	data => WF_AUTOCANCEL,
2401	cb => sub {	2875	cb => sub {
		2876	if ($Coro::current != $Coro::main) {
		2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2878	unless ++$bug_warning > 10;
		2879	return;
		2880	}
		2881
2402	$NOW = Event::time;	2882	$NOW = $tick_start = Event::time;
2403		2883
2404	cf::server_tick; # one server iteration	2884	cf::server_tick; # one server iteration
		2885
		2886	0 && sync_job {#d#
		2887	for(1..10) {
		2888	my $t = Event::time;
		2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2890	or die;
		2891
		2892	$map->width (50);
		2893	$map->height (50);
		2894	$map->alloc;
		2895	$map->_load_objects ("/tmp/x.map", 1);
		2896	my $t = Event::time - $t;
		2897
		2898	#next unless $t < 0.0013;#d#
		2899	if ($t < $min) {
		2900	$min = $t;
		2901	}
		2902	$avg = $avg * 0.99 + $t * 0.01;
		2903	}
		2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2905	exit 0;
		2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2907	};
		2908
2405	$RUNTIME += $TICK;	2909	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	2910	$NEXT_TICK += $TICK;
2407		2911
2408	$WAIT_FOR_TICK->broadcast;	2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2914	Coro::async_pool {
		2915	write_runtime
		2916	or warn "ERROR: unable to write runtime file: $!";
		2917	};
		2918	}
		2919
		2920	# my $AFTER = Event::time;
		2921	# warn $AFTER - $NOW;#d#
		2922
		2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2924	$sig->send;
		2925	}
		2926	while (my $sig = shift @WAIT_FOR_TICK) {
		2927	$sig->send;
		2928	}
		2929
		2930	$NOW = Event::time;
2410		2931
2411	# if we are delayed by four ticks or more, skip them all	2932	# if we are delayed by four ticks or more, skip them all
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2413		2934
2414	$TICK_WATCHER->at ($NEXT_TICK);	2935	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;	2936	$TICK_WATCHER->start;
		2937
		2938	$LOAD = ($NOW - $tick_start) / $TICK;
		2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2940
		2941	_post_tick;
		2942
		2943
2416	},	2944	},
2417	);	2945	);
2418		2946
		2947	{
2419	IO::AIO::max_poll_time $TICK * 0.2;	2948	BDB::max_poll_time $TICK * 0.1;
2420		2949	$BDB_POLL_WATCHER = Event->io (
2421	Event->io (	2950	reentrant => 0,
2422	fd => IO::AIO::poll_fileno,	2951	fd => BDB::poll_fileno,
2423	poll => 'r',	2952	poll => 'r',
2424	prio => 5,	2953	prio => 0,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,	2954	data => WF_AUTOCANCEL,
2431	after => 0,	2955	cb => \&BDB::poll_cb,
2432	interval => 10,	2956	);
2433	cb => sub {	2957	BDB::min_parallel 8;
2434	(Coro::unblock_sub {	2958
2435	write_runtime	2959	BDB::set_sync_prepare {
2436	or warn "ERROR: unable to write runtime file: $!";	2960	my $status;
		2961	my $current = $Coro::current;
		2962	(
		2963	sub {
		2964	$status = $!;
		2965	$current->ready; undef $current;
		2966	},
		2967	sub {
		2968	Coro::schedule while defined $current;
		2969	$! = $status;
		2970	},
		2971	)
		2972	};
		2973
		2974	unless ($DB_ENV) {
		2975	$DB_ENV = BDB::db_env_create;
		2976
		2977	cf::sync_job {
		2978	eval {
		2979	BDB::db_env_open
		2980	$DB_ENV,
		2981	$BDBDIR,
		2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2984	0666;
		2985
		2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2987
		2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2989	$DB_ENV->set_lk_detect;
		2990	};
		2991
		2992	cf::cleanup "db_env_open(db): $@" if $@;
2437	})->();	2993	};
2438	},	2994	}
2439	);	2995	}
		2996
		2997	{
		2998	IO::AIO::min_parallel 8;
		2999
		3000	undef $Coro::AIO::WATCHER;
		3001	IO::AIO::max_poll_time $TICK * 0.1;
		3002	$AIO_POLL_WATCHER = Event->io (
		3003	reentrant => 0,
		3004	data => WF_AUTOCANCEL,
		3005	fd => IO::AIO::poll_fileno,
		3006	poll => 'r',
		3007	prio => 6,
		3008	cb => \&IO::AIO::poll_cb,
		3009	);
		3010	}
		3011
		3012	my $_log_backtrace;
		3013
		3014	sub _log_backtrace {
		3015	my ($msg, @addr) = @_;
		3016
		3017	$msg =~ s/\n//;
		3018
		3019	# limit the # of concurrent backtraces
		3020	if ($_log_backtrace < 2) {
		3021	++$_log_backtrace;
		3022	async {
		3023	my @bt = fork_call {
		3024	@addr = map { sprintf "%x", $_ } @addr;
		3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3026	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3027	or die "addr2line: $!";
		3028
		3029	my @funcs;
		3030	my @res = <$fh>;
		3031	chomp for @res;
		3032	while (@res) {
		3033	my ($func, $line) = splice @res, 0, 2, ();
		3034	push @funcs, "[$func] $line";
		3035	}
		3036
		3037	@funcs
		3038	};
		3039
		3040	LOG llevInfo, "[ABT] $msg\n";
		3041	LOG llevInfo, "[ABT] $_\n" for @bt;
		3042	--$_log_backtrace;
		3043	};
		3044	} else {
		3045	LOG llevInfo, "[ABT] $msg\n";
		3046	LOG llevInfo, "[ABT] [suppressed]\n";
		3047	}
		3048	}
		3049
		3050	# load additional modules
		3051	use cf::pod;
2440		3052
2441	END { cf::emergency_save }	3053	END { cf::emergency_save }
2442		3054
2443	1	3055	1
2444		3056

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